42430265 has 8 divisors (see below), whose sum is σ = 51140040. Its totient is φ = 33795072.

The previous prime is 42430261. The next prime is 42430273. The reversal of 42430265 is 56203424.

It can be written as a sum of positive squares in 4 ways, for example, as 23931664 + 18498601 = 4892^2 + 4301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42430265 - 2² = 42430261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42430261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17384 + ... + 19673.

It is an arithmetic number, because the mean of its divisors is an integer number (6392505).

Almost surely, 2^42430265 is an apocalyptic number.

It is an amenable number.

42430265 is a deficient number, since it is larger than the sum of its proper divisors (8709775).

42430265 is a wasteful number, since it uses less digits than its factorization.

42430265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37291.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 42430265 is about 6513.8517790935. The cubic root of 42430265 is about 348.7856281822.

Adding to 42430265 its reverse (56203424), we get a palindrome (98633689).

The spelling of 42430265 in words is "forty-two million, four hundred thirty thousand, two hundred sixty-five".